Curling (Page 3 of 4)

**widespreaddeadhead** · 2015-02-11 20:40:49

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Re: Curling

wardjr wrote:

Covering that top will go along way towards reducing warping. You may want to check that corner of the bed for temp and that it isn't sitting lower than the rest of the bed.

Covering the top has made almost all the difference. I've gotten two small prints with very minimal to no warping at all. I'm printing off the filament guide again to make sure everything is running pretty smooth.

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**wardjr** · 2015-02-11 21:08:08

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Re: Curling

widespreaddeadhead wrote:

wardjr wrote:
Covering that top will go along way towards reducing warping. You may want to check that corner of the bed for temp and that it isn't sitting lower than the rest of the bed.
Covering the top has made almost all the difference. I've gotten two small prints with very minimal to no warping at all. I'm printing off the filament guide again to make sure everything is running pretty smooth.

Ha, every now and then I get something right

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**widespreaddeadhead** · 2015-02-12 18:41:57

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Re: Curling

Filament guide printed almost perfectly. Hairspray + enclosed + print fan OFF + slow first layer speed = great results for us. Only problem now is that the top layer and some other layers have spacing in-between. I think I need to adjust the pulley from the y-axis motor because they don't seem aligned.

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**wardjr** · 2015-02-12 18:50:21

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Re: Curling

widespreaddeadhead wrote:

Filament guide printed almost perfectly. Hairspray + enclosed + print fan OFF + slow first layer speed = great results for us. Only problem now is that the top layer and some other layers have spacing in-between. I think I need to adjust the pulley from the y-axis motor because they don't seem aligned.

Post a picture of your top layer I have some ideas.

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**widespreaddeadhead** · 2015-02-12 19:19:59

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Re: Curling

You can see the spacing between lines and towards the edges

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**wardjr** · 2015-02-12 21:37:18

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Re: Curling

So many things wrong there we will take it one at a time.
I will assume you calibrated steps/mm and extrusion multiplier, if not have a look at the WIKI.
What do you have the extrusion widths set at?

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**widespreaddeadhead** · 2015-02-13 14:27:26

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Re: Curling

wardjr wrote:

So many things wrong there we will take it one at a time.
I will assume you calibrated steps/mm and extrusion multiplier, if not have a look at the WIKI.
What do you have the extrusion widths set at?

Our extrusion widths are set at 0 or default, and I'm working my way through the Wiki this morning.

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**wardjr** · 2015-02-13 15:55:51

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Re: Curling

widespreaddeadhead wrote:

wardjr wrote:
So many things wrong there we will take it one at a time.
I will assume you calibrated steps/mm and extrusion multiplier, if not have a look at the WIKI.
What do you have the extrusion widths set at?
Our extrusion widths are set at 0 or default, and I'm working my way through the Wiki this morning.

Try this

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**widespreaddeadhead** · 2015-02-17 19:37:41

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Re: Curling

wardjr wrote:

Try this

That worked well also. Still having the same problem with top layers.

Where in RH can I change the steps per mm like in the extruder calibration video? I open up the EEPROM settings and there is nothing there... For every 100mm it actually prints 124mm.

Printed a hollow, topless cube and I'll be doing the flow rate adjustment tomorrow because I don't have a caliper here today.

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**wardjr** · 2015-02-17 19:56:02

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Re: Curling

Forgive me if you've covered this, are you on a Mac?

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**widespreaddeadhead** · 2015-02-18 14:12:52

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Re: Curling

wardjr wrote:

Forgive me if you've covered this, are you on a Mac?

Yes we are.

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**widespreaddeadhead** · 2015-02-18 16:46:01

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Re: Curling

widespreaddeadhead wrote:

Printed a hollow, topless cube and I'll be doing the flow rate adjustment tomorrow because I don't have a caliper here today.

After adjusting the flow rate this morning, our printer was printing threads a lot bigger than it should, I've got the flow rate dialed in so that we are getting some fantastic looking bottom layer patterns when before they looked very sloppy. I'm going to print the cube with a top so that I can check to make sure the top layers aren't going to have that spacing problem.

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**wardjr** · 2015-02-18 18:31:49

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Re: Curling

You adjust the steps-per-mm using M92

when its right, use M500 to write it to firmware
M501 will report what is currently in firmware.

you dont need to adjust the firmware directly - just need to do M92 with the right values, and M500 to write it to EEPROM.

Same thing the eeprom dialog does, just without the pretty interface.

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**widespreaddeadhead** · 2015-02-18 19:29:28

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Re: Curling

wardjr wrote:

You adjust the steps-per-mm using M92
when its right, use M500 to write it to firmware
M501 will report what is currently in firmware.
you dont need to adjust the firmware directly - just need to do M92 with the right values, and M500 to write it to EEPROM.
Same thing the eeprom dialog does, just without the pretty interface.

Thanks! I don't know much about Gcode so I'll look this up tonight and see if I understand how to run it tomorrow.

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**widespreaddeadhead** · 2015-02-19 15:26:25

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Re: Curling

After watching the extruder calibration video a few times again I've totally figured it out, thanks! Embarrassingly, I noticed all that information you shared with me was in the paragraph right above the video the whole time.

Does that value change for both motors? Do I need to change the value on both motors?

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**wardjr** · 2015-02-19 16:03:57

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Re: Curling

widespreaddeadhead wrote:

After watching the extruder calibration video a few times again I've totally figured it out, thanks! Embarrassingly, I noticed all that information you shared with me was in the paragraph right above the video the whole time.
Does that value change for both motors? Do I need to change the value on both motors?

Both motors are the same so you only need to change it once the other will follow.

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**widespreaddeadhead** · 2015-02-19 17:29:09

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Re: Curling

Everything is looking a lot better, except that we are still having spacing between threads on the top layer. Any ideas?

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**wardjr** · 2015-02-19 17:47:31

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Re: Curling

Try this

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**widespreaddeadhead** · 2015-02-20 15:26:08

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Re: Curling

Same issue still spacing, I'm trying a different top/bottom fill pattern to see if that helps.

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**jagowilson** · 2015-02-20 15:27:43

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Re: Curling

Looks like you're under-extruding. What are your e steps per mm and extrusion multiplier?

**widespreaddeadhead** · 2015-02-20 15:33:09

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Re: Curling

steps are 104.54 and extrusion x is 0.59

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**wardjr** · 2015-02-20 15:36:42

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Re: Curling

Jago's correct and I would add that you have an awful lot of backlash which could also be causing some of this.
I am sure you have figured this out but you need to make sure when you change a profile that it gets saved and then selected in R-H before you slice it.

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**widespreaddeadhead** · 2015-02-20 15:48:25

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Re: Curling

Yeah I've figured that out, just can't get the top layer to fill solid, the honeycomb infill looks sloppy too. Should I go through the extrusion x calibration again?

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**jagowilson** · 2015-02-20 16:08:11

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Re: Curling

You can bump up e steps to 105 exactly. And agree with wardjr. If you are using the correct profile, that extrusion multiplier is wayyyy too low. Make sure you measure as few layers as possible of the cube. Should see a multiplier in the range of .8 to .98 most likely
If you calibrate and are still getting holes, bump up the multiplier by .02 until they clear up

And yah, lash- tighten up your belts and such.

**wardjr** · 2015-02-20 17:07:17

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Re: Curling

That's Jago's way of saying your belts are loose Until you fix the mechanical side of things the rest will only mask the problem. Tighten your belts.

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Curling (Page 3 of 4)

Posts: 51 to 75 of 93

51 Reply by widespreaddeadhead 2015-02-11 20:40:49

Re: Curling

52 Reply by wardjr 2015-02-11 21:08:08

Re: Curling

53 Reply by widespreaddeadhead 2015-02-12 18:41:57

Re: Curling

54 Reply by wardjr 2015-02-12 18:50:21

Re: Curling

55 Reply by widespreaddeadhead 2015-02-12 19:19:59 (edited by widespreaddeadhead 2015-02-12 19:21:19)

Re: Curling

56 Reply by wardjr 2015-02-12 21:37:18

Re: Curling

57 Reply by widespreaddeadhead 2015-02-13 14:27:26

Re: Curling

58 Reply by wardjr 2015-02-13 15:55:51

Re: Curling

59 Reply by widespreaddeadhead 2015-02-17 19:37:41

Re: Curling

60 Reply by wardjr 2015-02-17 19:56:02

Re: Curling

61 Reply by widespreaddeadhead 2015-02-18 14:12:52

Re: Curling

62 Reply by widespreaddeadhead 2015-02-18 16:46:01

Re: Curling

63 Reply by wardjr 2015-02-18 18:31:49

Re: Curling

64 Reply by widespreaddeadhead 2015-02-18 19:29:28

Re: Curling

65 Reply by widespreaddeadhead 2015-02-19 15:26:25 (edited by widespreaddeadhead 2015-02-19 15:59:22)

Re: Curling

66 Reply by wardjr 2015-02-19 16:03:57

Re: Curling

67 Reply by widespreaddeadhead 2015-02-19 17:29:09

Re: Curling

68 Reply by wardjr 2015-02-19 17:47:31

Re: Curling

69 Reply by widespreaddeadhead 2015-02-20 15:26:08

Re: Curling

70 Reply by jagowilson 2015-02-20 15:27:43

Re: Curling

71 Reply by widespreaddeadhead 2015-02-20 15:33:09

Re: Curling

72 Reply by wardjr 2015-02-20 15:36:42

Re: Curling

73 Reply by widespreaddeadhead 2015-02-20 15:48:25

Re: Curling

74 Reply by jagowilson 2015-02-20 16:08:11 (edited by jagowilson 2015-02-20 16:10:44)

Re: Curling

75 Reply by wardjr 2015-02-20 17:07:17

Re: Curling

Posts: 51 to 75 of 93